TPS43337QDAPRQ1 - Texas Instruments

Manufacturer Part Number

TPS43337QDAPRQ1

Manufacturer

Texas Instruments

Introduction

The TPS43337QDAPRQ1 is a high-performance DC-DC switching controller designed for automotive applications. It supports step-up and step-down functions with positive output configuration.

Product Features and Performance

Supports Buck and Boost topology

Three outputs with two output phases

Supply voltage range from 4V to 40V

Switching frequency between 150kHz and 600kHz

Maximum duty cycle up to 90% and 98.75%

Incorporates synchronous rectification for efficiency

Features clock synchronization

Control features include Enable, Frequency Control, Power Good, Soft Start, Tracking

Product Advantages

Enhanced efficiency with synchronous rectification

Flexible control options for optimized performance

Suitable for harsh automotive environments with a wide operating temperature range

Reliable operation with automotive-grade qualification (AEC-Q100)

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 4V ~ 40V

Frequency Switching: 150kHz ~ 600kHz

Duty Cycle (Max): 90%, 98.75%

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

AEC-Q100 qualified for automotive applications

Robust thermal management supporting up to 125°C operating temperature

Compatibility

Compatible with a wide range of automotive power systems due to flexible voltage requirements and topology support

Application Areas

Automotive power management systems

Electronic control units

Advanced driver-assistance systems (ADAS)

Product Lifecycle

Currently active product status with ongoing support

Not nearing discontinuation; stable supply chain for future availability

Several Key Reasons to Choose This Product

Wide input voltage range suitable for variable automotive power systems

High efficiency and robust performance in automotive environments

Multiple control features for tailored power management

Reliable automotive qualification ensures long-term usability